<section class="content--row">
  <header class="content__title">
    <h1>Contribution Charts <code>{{version}}</code></h1>
    <small>Use <code>d3.js</code> to plot contribution charts for high customization.</small>
  </header>
  <h4 class="card-title">Contribution</h4>
  <app-directive-contribution-charts [data]="data"></app-directive-contribution-charts>
</section>
